STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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problem with stm32G070 connection

Hello, at the beginning I had STM32G070 (brand new), from the beginning I had a problem with it, ST-LINK utility was connecting with uC, but after a while disconnects it. I was looking in the settings unfortunately I found nothing. Oddly enough, once...

PKuzi by Associate II
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Undocumented Pullup on Pin PB4/JNRST

Hi,as I see it here in my test PCB, the pin PB4 (JNRST for JTAG interface) seems to have an internal weak pullup during reset (I assume 40kOhm as NRST - an external 10kOhm will pull this pin down, but 100kOhm pull down does NOT work...).It is luckily...

flyer31 by Senior
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  • 2 kudos